Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!samsung!spool.mu.edu!munnari.oz.au!ariel!ariel.ucs.unimelb.edu.au!richard From: richard@ariel.ucs.unimelb.edu.au (Richard Begg) Newsgroups: comp.sys.ibm.pc.misc Subject: Re: please tell me how to co-install RLL & MFM hard drives....PLEASE! Message-ID: <662@ariel.ucs.unimelb.edu.au> Date: 15 May 91 22:36:31 GMT References: <76334@eerie.acsu.Buffalo.EDU> Sender: news@ariel.ucs.unimelb.edu.au Reply-To: richard@ariel.ucs.unimelb.edu.au (Richard Begg) Organization: University of Melbourne Lines: 33 In article , chchoi@eng.auburn.edu (Cheong Hyeon Choi) writes: |> In article <76334@eerie.acsu.Buffalo.EDU> v087mxgb@ubvmsa.cc.buffalo.edu writes: |> >I have a type 2 - 20 Mb MFM hard drive installed (works fine) |> > |> >I received a 30 Mb RLL drive FREE!!! and want to use both |> > |> >Ive heard that I can, but how do I do this....both have a |> >controller card for my 286 machine, how do I partition them |> >and set one as drive 0 and one as drive 1, etc.... |> > |> Hi. Yes, I had the same experience. In this case, you try to format |> MFM drives as RLL if your two MFM drive is products of Seagate. |> After that, you are getting more disk capacities. With my experience, |> there had been no problem. But I don't know exactly why it works but |> very fine. As I know, the capacity of the MFM drive is going to increase |> by 50%. Do it. |> |> Choi` You can TRY to format your 20MB as RLL, but if you value your data, I wouldn't recommend it. I seem to remember an argument about this earlier this year. Maybe it will work for you, but from personal experience, the problems aren't worth it. If you wan't to try it, at least get a program like spinrite to have a look at the disk and check it for potential problems. Another idea if you have both MFM and RLL controllers is to install them both. You will need to change the jumpers on one of them to change the IO address and interrupts (I hope you have the manuals!). -- Richard Begg (richard@asis.unimelb.edu.au) Programmer ASIS/ITS - University of Melbourne